How far is Williamstown, MA from Bath, ME?

The driving distance from Williamstown, MA to Bath, ME is about 250.9 miles (403.8 km), with a travel time of about 05h 44m by car.

  • The straight-line flight distance is about 189.1 miles (304.4 km).
  • For a round trip, plan for roughly 11h 28m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
250.93 mi
05h 44m
Flight
189.16 mi
304.42 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Williamstown.

Flight Distance

Direct air line
189.16 mi
Kilometers
304.42 km
Flight Time
00h 22m

Driving Distance

Road route
250.93 mi
Kilometers
403.83 km
Drive Time
05h 44m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 05h 44m.

Arrival Snapshot
Arrive in Bath
Fri, Jul 24, 7:51 PM EDT
Return by in Williamstown
Sat, Jul 25, 1:36 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Williamstown
2026-07-24T14:07
Arrive Bath
Fri, Jul 24, 7:51 PM EDT
Route Timing
05h 44m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
11:44 AM to 1:44 PM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
5:32 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Williamstown
9:00 PM EDT
Early departure recommended

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Tewksbury
MA

Town in Massachusetts, United States

From Williamstown
125.3 mi
02h 52m
To Bath
125.6 mi
02h 52m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
81°F
Friday

Sunny

Starts
Fri, Jul 24 6:00 AM EDT
Wind
2 mph NW
Destination
72°F
Friday

Sunny

Starts
Fri, Jul 24 6:00 AM EDT
Wind
0 to 10 mph NW

Driving Route Map

The map below follows the saved road route between Williamstown and Bath.

Turn-by-Turn Driving Directions

Step-by-step road directions between Williamstown and Bath.

  1. 1

    Start on Spring Street

    1087 ft · 31 sec · Spring Street

  2. 2

    At the end of the road, turn left onto Latham Street

    1140 ft · 44 sec · Latham Street

  3. 3

    At the end of the road, turn left onto Water Street

    1093 ft · 36 sec · Water Street

  4. 4

    Turn right onto Main Street

    1.5 mi · 3 min · Main Street

  5. 5

    Continue on State Road

    2.2 mi · 4 min · State Road

  6. 6

    Continue on West Main Street

    1.5 km · 2 min · West Main Street

  7. 7

    Continue on West Main Street

    1911 ft · 1 min · West Main Street

  8. 8

    Continue on Main Street

    1.5 km · 3 min · Main Street

  9. 9

    Turn right onto Mohawk Trail

    14.7 mi · 30 min · Mohawk Trail

  10. 10

    Continue on Tea Street

    1.1 km · 1 min · Tea Street

  11. 11

    Continue on Mohawk Trail

    2841 ft · 49 sec · Mohawk Trail

  12. 12

    Continue on Tea Street

    1 mi · 2 min · Tea Street

  13. 13

    Continue on Main Street

    1.1 mi · 3 min · Main Street

  14. 14

    Continue on Mohawk Trail

    1.2 km · 1 min · Mohawk Trail

  15. 15

    Continue on Route 2

    5.2 mi · 8 min · Route 2

  16. 16

    Continue on Mohawk Trail

    10.5 mi · 16 min · Mohawk Trail

  17. 17

    Enter the roundabout and take exit 3 toward the route

    975 ft · 13 sec

  18. 18

    Exit the roundabout

    2.4 mi · 3 min

  19. 19

    Keep slight right to continue on MA 2 East: Boston

    51 mi · 1 hr 15 min

  20. 20

    Keep slight left to continue on Concord Turnpike

    12.3 mi · 17 min · Concord Turnpike

  21. 21

    Take the exit slight right toward I 495 North: Lowell

    2445 ft · 59 sec

  22. 22

    Keep slight left to continue on I 495 North: Lowell, Lawrence

    974 ft · 24 sec

  23. 23

    Merge slight left

    42.9 mi · 50 min

  24. 24

    Merge slight left

    6.7 mi · 8 min

  25. 25

    Keep slight left to continue on Blue Star Turnpike

    7.8 mi · 9 min · Blue Star Turnpike

  26. 26

    Keep slight right to continue on Blue Star Turnpike

    46.4 mi · 51 min · Blue Star Turnpike

  27. 27

    Keep slight right to continue on Downtown Portland

    28.2 mi · 34 min

  28. 28

    Take the exit slight right toward US 1: Brunswick, Bath, Coastal Route

    1.3 mi · 2 min

  29. 29

    Continue on Pleasant Street

    1.2 mi · 3 min · Pleasant Street

  30. 30

    Turn left onto Mill Street

    8.5 mi · 12 min · Mill Street

  31. 31

    Turn slight right onto Commercial Street

    974 ft · 36 sec · Commercial Street

  32. 32

    Continue on Vine Street

    773 ft · 29 sec · Vine Street

  33. 33

    Arrive at your destination

    0 m · 1 sec · Vine Street

Car Route Details

A richer read on the saved driving route between Williamstown and Bath.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
33 steps
11 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
13.2 / 100 mi
Decision points by distance
Main Roads
Blue Star Turnpike
54.2 mi · 22%
MA 2 East
51 mi · 20%
I 495 North
50.2 mi · 20%
Mohawk Trail
29 mi · 12%
Downtown Portland
28.2 mi · 11%
Concord Turnpike
12.3 mi · 5%
Longest Stretch

MA 2 East

Keep slight right to continue on MA 2 East: Boston

51 mi · 01h 15m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
05h 44m
Long day trip
Same-Day Return
11h 28m
Round-trip wheel time
Road vs Air
+61.8 mi
189.1 mi direct line
Halfway Stop
Tewksbury
02h 52m from Williamstown
Leave By
5:32 AM EDT
Early departure recommended
Weather Watch

Sunny leaving Williamstown and Sunny near Bath.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Williamstown to Bath?

The road trip is about 250.9 miles (403.8 km) and usually takes 05h 44m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Tewksbury is a useful midpoint, sitting about 125.3 miles from Williamstown and 125.6 miles from Bath.

How much longer is the road route than the straight-line distance?

The direct path is about 189.1 miles (304.4 km), while the road route adds roughly 61.8 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 5:32 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $34.47 one way or $68.93 round trip. Estimated CO2 is about 78.7 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Williamstown and Sunny near Bath.

Stop Ideas Near Tewksbury

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Tewksbury, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Tewksbury.

RAIL

Anderson Regional Transportation Center

13 mi away
100 Atlantic Ave.
RAIL

Haverhill station

22 mi away
Washington Street at Railroad Square
BUS

Nashua, NH

30 mi away
8 North Southwood Drive
RAIL

North Station

31 mi away
100 Legends Way

Flight Path Map

This map shows the direct air route between Williamstown and Bath. Straight-line distance: 189.16 mi (304.42 km).

Williamstown

#1 Williamstown

Town in Massachusetts

Population7,631
Coordinates42.7120200, -73.2037200
Altitude209
CountryUnited States
Bath

#2 Bath

Town in Maine, United States

Population8,335
Coordinates43.9106400, -69.8206000
Altitude19
CountryUnited States
Start: Williamstown (-73.20372, 42.71202)
End: Bath (-69.8206, 43.91064)

Estimated Travel Time

Distance: 404 km by road

SpeedTime
30 mph (48.3 km/h)08h 21m
40 mph (64.37 km/h)06h 16m
50 mph (80.47 km/h)05h 01m
60 mph (96.56 km/h)04h 10m
70 mph (112.65 km/h)03h 35m
80 mph (129 km/h)03h 07m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.86 gal
33.52 L · about $34.47
Round trip
$68.93
17.72 gal · 67.04 L
Estimated CO2
78.7 kg one way
Round trip: 157.5 kg / 347 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $34.47 $68.93
Mid-grade $4.40 $38.96 $77.91
Premium $4.80 $42.52 $85.04
Diesel $4.49 $39.76 $79.53

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in Massachusetts · Jul 24, 2026

There is no time difference between Williamstown and Bath. The current time is 14:07:18.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.